CSC 329

Definition of computer networks, objectives and applications. Computer network topologies and types. Computer network architecture: layering protocols & standard models. The OSI & TCP/IP reference models. Physical layer of computer network: signal types, signal characteristics and impairments. Transmission modes (simplex, half -duplex, full-duplex) Digital transmission: line and block coding techniques. Analog transmission: modulation techniques and modems. The transmission media, Data link layer functions & protocols. Media access control methods. LAN protocols, the IEEE 802.3 standard Ethernet and backbone networks. Network layer of the internet model: concept and services of the network layer, Internet Protocol (IP) addresses, network layer protocols such as IP,ICMP. Routers and Routing protocols: RIP and OSPF.